Tunnels of the world

1,416 tunnels across 6 continents and 80+ countries — ranked by length, from Switzerland's Gotthard Base Tunnel and Japan's Seikan to rail, road and water tunnels worldwide. Data from Wikidata (CC0); summaries from Wikipedia.

The longest tunnels in the world

Asia 320

Ishikawa Tunnel Japan · 78.5 km Hong Kong–Zhuhai–Macau Bridge China · 55 km Seikan Tunnel Japan · 53.85 km Yulhyeon Tunnel South Korea · 50.3 km Gaoligongshan Tunnel China · 34.5 km Oshima Tunnel Japan · 32.67 km New Guanjiao Tunnel China · 32.65 km West Qinling Tunnel China · 28.24 km Taihang Tunnel China · 27.84 km Hakkōda Tunnel Japan · 26.45 km Sasson Tunnel Japan · 26.23 km Guangzhou–Shenzhen–Hong Kong Express Rail Link Hong Kong section China · 26 km Iwate-Ichinohe Tunnel Japan · 25.81 km King Fahd Causeway Saudi Arabia · 25 km Tokyo Bay Aqua-Line Japan · 23.7 km Daishimizu Tunnel Japan · 22.22 km Wushaoling Tunnel China · 21.06 km Lüliangshan Tunnel China · 20.79 km Qamchiq Tunnel Uzbekistan · 19.2 km Shin-Kanmon Tunnel Japan · 18.71 km Yamate Tunnel Japan · 18.2 km Zhongnanshan Tunnel China · 18.04 km Rokko Tunnel Japan · 16.25 km Haruna Tunnel Japan · 15.35 km Gorigamine Tunnel Japan · 15.18 km Nakayama Tunnel Japan · 14.86 km Dazhushan Tunnel China · 14.48 km Zigana Tunnel Turkey · 14.48 km Ovit Tunnel Turkey · 14.35 km Hokuriku Japan · 13.87 km Marmaray Tunnel Turkey · 13.5 km Shin-shimizu Tunnel Japan · 13.49 km Aki Tunnel Japan · 13.03 km Hsuehshan Tunnel Taiwan · 12.94 km Fukushima Tunnel Japan · 11.71 km Kubiki Tunnel Japan · 11.35 km Shiozawa Tunnel Japan · 11.22 km Pir Panjal Railway Tunnel India · 11.21 km Zao Tunnel Japan · 11.21 km Kan-Etsu Tunnel Japan · 10.93 km Shiziyang Tunnel China · 10.8 km Hida Tunnel Japan · 10.71 km Xinguanyin Tunnel Taiwan · 10.31 km Shimizu Tunnel Japan · 9.7 km Friendship tunnel Laos · 9.59 km Chenani-Nashri Tunnel India · 9.28 km Beijing underground cross-city railway China · 9.16 km Nabetachiyama Tunnel Japan · 9.12 km

See all 320 in Asia →

Americas 343

Delaware Aqueduct United States · 137 km Chesapeake Bay Bridge-Tunnel United States · 28.32 km Mount Macdonald Tunnel Canada · 14.72 km Moffat Tunnel United States · 9.82 km Toyo Tunnel Colombia · 9.73 km La Línea Colombia · 8.5 km Connaught Tunnel Canada · 8.08 km Hoosac Tunnel United States · 7.64 km Las Raíces Tunnel Chile · 4.53 km Cascade Tunnel United States · 4.21 km Thornton Tunnel Canada · 3.4 km East Side Access United States · 3.22 km Tunnel No. 41 United States · 3.15 km Regional Connector United States · 3.06 km Brooklyn–Battery Tunnel United States · 2.78 km Ted Williams Tunnel United States · 2.6 km Michigan Central Railway Tunnel United States · 2.56 km Lincoln Tunnel United States · 2.5 km Louis-Hippolyte Lafontaine Bridge-Tunnel Canada · 1.99 km Wolfe’s Cove Tunnel Canada · 1.6 km Detroit–Windsor Tunnel United States · 1.57 km Tunnel Punta Olimpica Peru · 1.38 km Wawona Tunnel United States · 1.29 km Virginia Avenue Tunnel United States · 1.16 km Caldecott Tunnel United States · 1.15 km Posey and Webster Street Tubes United States · 1.08 km Bothin Tunnel United States · 0.97 km Dean Lindsey Memorial Tunnel United States · 0.88 km Schenley Tunnel United States · 0.88 km Cobble Hill Tunnel United States · 0.77 km East River Gas Tunnel United States · 0.77 km Winston Tunnel United States · 0.76 km Havana Tunnel Cuba · 0.73 km North Shore Connector tunnel United States · 0.68 km East Side Trolley Tunnel United States · 0.66 km Cork Run Tunnel United States · 0.64 km Black Rock Tunnel United States · 0.59 km Brockville Tunnel Canada · 0.53 km La Cabrera Tunnel Venezuela · 0.52 km Whitehall Tunnel United States · 0.5 km Flat Rock Tunnel United States · 0.29 km Marys Rock Tunnel United States · 0.21 km Port Perry Tunnel United States · 0.16 km Ptarmigan Tunnel United States · 0.08 km 178th-179th Street Tunnels United States 2nd Street Tunnel United States 53rd Street Tunnel United States 60th Street Tunnel United States

See all 343 in Americas →

Europe 661

Päijänne Water Tunnel Finland · 120 km Brenner Base Tunnel Austria · 64 km Mont d'Ambin base tunnel France · 57.5 km Gotthard Base Tunnel Switzerland · 57.09 km Channel Tunnel United Kingdom · 50.45 km Lötschberg Base Tunnel Switzerland · 34.58 km Koralm Tunnel Austria · 32.9 km Guadarrama high-speed rail tunnel Spain · 28.41 km Semmering Base Tunnel Austria · 27.3 km Pajares Base Tunnel Spain · 24.65 km Lærdal Tunnel Norway · 24.51 km Grimsel Tunnel Switzerland · 22.26 km Simplon Tunnel Switzerland · 19.8 km Vereina Tunnel Switzerland · 19.04 km Apennine Base Tunnel Italy · 18.51 km Fehmarn Belt fixed link Germany · 18 km Great Belt Fixed Link Denmark · 18 km City Tunnel Sweden · 17 km Gotthard Road Tunnel Switzerland · 16.9 km Chilterns Tunnel United Kingdom · 16.04 km Ceneri Base Tunnel Switzerland · 15.4 km Furka Base Tunnel Switzerland · 15.38 km Severomuysky Tunnel Russia · 15.34 km Orkney tunnel United Kingdom · 15.3 km Santomarco Tunnel Italy · 15.04 km Gotthard Tunnel Switzerland · 15 km Second Severomuysky Tunnel Russia · 15 km Lötschberg Tunnel Switzerland · 14.61 km Romerike Tunnel Norway · 14.58 km Ryfylke Tunnel Norway · 14.4 km Arlberg Road Tunnel Austria · 13.97 km Fréjus Rail Tunnel France · 13.66 km Savio Rail Tunnel Finland · 13.5 km Wienerwald Tunnel Austria · 13.36 km Fréjus Road Tunnel France · 12.87 km Holmestrandsporten Norway · 12.38 km Mont Blanc Tunnel France · 11.61 km Gudvanga Tunnel Norway · 11.43 km Eysturoyartunnilin Faroe Islands · 11.24 km Folgefonna Tunnel Norway · 11.15 km Sandoy tunnel Faroe Islands · 10.9 km Landrücken Tunnel Germany · 10.78 km Lieråsen Tunnel Norway · 10.72 km Toven Tunnel Norway · 10.66 km Arlberg Railway Tunnel Austria · 10.65 km Finse Tunnel Norway · 10.59 km Münden Tunnel Germany · 10.53 km Langfjord Tunnel Norway · 10.5 km

See all 661 in Europe →

Africa 9

Orange–Fish River Tunnel South Africa · 82.8 km Kherrata Tunnel Algeria · 7 km Cedara Tunnel South Africa · 6.02 km Ahmed Hamdi Tunnel Egypt · 1.64 km Daspoort Tunnel South Africa Huguenot Tunnel South Africa Juckville Tunnel Gabon Julius Nyerere Hydropower Station Tanzania Siqurto foot tunnel Ethiopia

Oceania 81

Metro Tunnel Australia · 9 km Remutaka Tunnel New Zealand · 8.93 km Otira Tunnel New Zealand · 8.55 km Western Harbour Tunnel Australia · 6.5 km West Gate Tunnel Australia · 4 km City Rail Link New Zealand · 3.5 km Burnley Tunnel Australia · 3.4 km William Street tunnel Australia · 1.85 km Domain Tunnel Australia · 1.6 km Homer Tunnel New Zealand · 1.27 km Port Hedland Harbour Tunnel Australia · 1.03 km Glenbrook Tunnel Australia · 0.66 km Glenbrook Tunnel Australia · 0.28 km Acton Tunnel Australia Albert Park tunnels New Zealand Ardglen Tunnel Australia Bayswater Subway Australia Bethungra Spiral Australia Big Hill Tunnel Australia Big Peninsula Tunnel Australia Blowhole Diversion Tunnel Australia Boolboonda Tunnel Australia Busby's Bore Australia Canning Tunnel Australia Cherry Gully Tunnel Australia City Loop Australia Clarence Tunnel Australia Clem Jones Tunnel Australia Cougal Spiral Australia Cross City Tunnel Australia Cudgen Road Tunnel Australia Dalveen Tunnel Australia Delegate River Diversion Tunnel Australia Devonshire Street Tunnel Australia Dularcha Railway Tunnel Australia Ernest Junction Railway Tunnel Australia Glowworm Tunnel Australia Griffith Tunnel Australia Haughtons Flat Diversion Tunnel Australia Heysen Tunnels Australia Jordan River Diversion Tunnel Australia Kaimai Tunnel New Zealand Kings Cross Tunnel Australia Kumutoto Stream New Zealand Lahey's Canungra Tramway Tunnel Australia Lane Cove Tunnel Australia Legacy Way Australia Lerderderg River diversion tunnel Australia

See all 81 in Oceania →